AS/NZS 4968.1:2003
Heavy-road vehicles - Mechanical coupling between articulated vehicle combinations - Design criteria and selection requirements for fifth wheel, kingpin and associated equipment
Provides the attachment design forces for fifth wheel assembly and equations to determine the required D-value of components for various combinations and applies to fifth wheel assemblies used with 50 mm, 75 mm and 90 mm kingpins and associated equipment, used in heavy road vehicles, B-doubles and road trains, in normal use on both sealed and unsealed roads.
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Related Information
Land Transport Rule 31002: Heavy Vehicles 2004
Ministry: NZ Transport Agency
Section: 4.8(2)
Citation context:A 50 mm diameter kingpin and associated skid plate fitted to a vehicle must comply with:... ...(b) all of the following: (i) Australian/New Zealand Standard 4968.1-2003: Heavy-road vehicles – Mechanical coupling between articulated vehicle combinations – Design criteria and selection requirements for fifth wheel, kingpin and associated equipment; and (ii) Australian/New Zealand Standard 4968.2-2003: Heavy-road vehicles – Mechanical coupling between articulated vehicle combinations – Testing and installation of fifth wheel and associated equipment; and (iii) Australian Standard 2174-2006: Articulated Vehicles – Mechanical coupling between prime movers and semitrailers – Interchangeability requirements.
Similar Standards
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AS/NZS 4968.1:2023
Heavy road vehicles – Mechanical coupling between articulated vehicle combinations, Part 1: Design criteria and selection requirements for fifth wheel, kingpin and associated equipment
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AS/NZS 4968.2:2023
Heavy road vehicles – Mechanical coupling between articulated vehicle combinations, Part 2: Testing and installation of fifth wheel and associated equipment
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AS/NZS 4968.3:2023
Heavy road vehicles – Mechanical coupling between articulated vehicle combinations, Part 3: Kingpins and associated equipment
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BS 7961:2004
Specification for a device for measuring the static vertical mass (noseweight)at the coupling point of the towed vehicle.
AS/NZS 4968.1:2003
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